Bright Ideas: Best Bike Headlights

Sigma Lightster

Power source: Four AA batteries (included); swap in your own rechargeable batteries to make use of the included charger.

Bulb: High-power LED.

Modes: One.

Claimed burn time: 20 hours.

Best for: Commuting in areas with consistent street lighting. A tightly focused beam makes you visible but doesn’t illuminate the road well. The bracket mounts in seconds, and an indicator light alerts you to low batteries.